每日市场观察 2026 年 2 月 27 日 【今日关注】 沪深两指全天围绕零轴小幅震荡，最终上证指数以微跌收盘，深证成 指收涨 0.19%。两市个股涨跌数量相当。热点方面，前期热点贵金属板 块早盘一度延续活跃趋势，随后电网产业链相关板块先后拉升，领涨 至收盘。消费、保险领域延续弱势表现，房地产概念同样转弱。 电网产业链的上涨逻辑与 AI 相关预期有关，此方向市场早先已有关注。 根据资金聚焦路径，可知 AI 相关热点正从下游逐渐向上游扩展。因此， 长期来看，电网产业具备较高投资价值。 节后两个交易日后，AI 概念重回资金关注视野。回顾之前成长概念股 投资逻辑，可合理推测 AI 概念有望延续从核心逐渐扩展至周边的相似 路径。因此，后续 AI+相关概念值得深入挖掘和关注。但短期内受年报 及一季报披露期影响，预计大概率仍以板块轮动为主。 【市场回顾】 市场概况：2 月 26 日，市场探底回升，三大指数涨跌不一，创业板指 盘中一度跌超 1%，黄白线分化。截至收盘，沪指跌 0.01%，深成指涨 0.19%，创业板指跌 0.29%。 【资金面】 主力资金流向：2 月 26 日，上证净流入 141.84 亿元，深证净流入 ...

Core Insights - The report highlights the recent trends in the domestic financial market, indicating a slight decline in major indices, with the Shanghai Composite Index closing at 3813.56, down by 1.16% [4] - It emphasizes the impact of macroeconomic policies, including the Ministry of Finance and the State Taxation Administration's new tax policies aimed at enhancing social security funds through state-owned equity transfers [6] - The report identifies emerging sectors such as brain-computer interfaces and 6G technology, which are receiving policy support and may present investment opportunities [8] Market Overview - On September 3, the total trading volume in the two markets reached 23,641 billion, with 777 stocks rising and 4,334 stocks falling, indicating a net outflow of funds amounting to 1,022.2 billion [12] - The report notes that the market experienced a contraction in trading volume, suggesting a weakening of bearish sentiment, with potential for market recovery if it approaches key support levels [13] - Key sectors such as online gaming, photovoltaic equipment, and batteries saw significant capital inflows, while military and securities sectors faced notable declines [12] Company Focus - Daoshi Technology (300409) has signed a Pre-B round preferred stock subscription agreement with Qiang Brain Technology and its subsidiaries, indicating strategic partnerships in the tech sector [10] - Kingood Co., Ltd. (002488) is advancing applications in emerging fields such as humanoid robots and low-altitude aircraft, showcasing innovation in material technology [10]